wyBuild is the complete automatic updating & patching solution. Included in the wyBuild installer is wyBuild (to design & build updates), wyUpdate (the open source updater program), and the AutomaticUpdater.
LimeLM is the hassle free online activation & licensing solution for Windows, Mac OS X, and Linux. If you have a LimeLM account you can download TurboActivate and the Web API. If you don't already have a LimeLM account you can signup for a 30-day free trial.
You can view the latest changes in TurboActivate. Another way to license your app is to use floating licenses (a.k.a. concurrent licensing — another form of hardware-locked licensing). Read more about it in "Using TurboFloat". You can download all of the TurboFloat binaries on your API page. Here is a selection of the most popular downloads:
In addition to integrating TurboActivate with your app, you can also integrate LimeLM in your backoffice and website using the web API. For a collection of examples showing how to use the web API, get the web API pack:
wyDay has many open source projects, including 2/3 of wyBuild.
Windows 7 Progress Bar is an open source progress bar component that lets you use all the features of a Vista and Windows 7 progress bars (including the taskbar button progress).
VistaMenu is a menu component that allows you to add Windows 7 and Windows Vista-style menus with icons to your program.
SplitButton is a button control with a region that shows a context menu when clicked.
LinkLabel2 is a fixed version of the Windows.Forms LinkLabel control.
CueSharp is an open source cue sheet parser library written in C#.
Panel2006 is an open source container component for use in .NET programs.